prtime.c

来自「unix高级编程源代码.<<unix高级编程>>」· C语言 代码 · 共 22 行

#include	<time.h>
#include	"ourhdr.h"

int
main(void)
{
	time_t		caltime;
	struct tm	*tm;
	char		line[MAXLINE];

	if ( (caltime = time(NULL)) == -1)
		err_sys("time error");
	if ( (tm = localtime(&caltime)) == NULL)
		err_sys("localtime error");

	if (strftime(line, MAXLINE, "%a %b %d %X %Z %Y\n", tm) == 0)
		err_sys("strftime error");
	fputs(line, stdout);

	exit(0);
}